diff --git a/.github/workflows/autorelease.yml b/.github/workflows/autorelease.yml
new file mode 100644
index 0000000..0d0f10e
--- /dev/null
+++ b/.github/workflows/autorelease.yml
@@ -0,0 +1,31 @@
+name: "tagged-release"
+
+on:
+  push:
+    tags:
+      - "v*"
+
+jobs:
+  tagged-release:
+    name: "Tagged Release"
+    runs-on: "ubuntu-latest"
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up JDK 11
+      uses: actions/setup-java@v3
+      with:
+        java-version: '11'
+        distribution: 'temurin'
+        cache: maven
+    - name: Build with Maven
+      run: mvn compile assembly:single
+
+    - name: auto release
+      uses: "marvinpinto/action-automatic-releases@latest"
+      with:
+        repo_token: "${{ secrets.GITHUB_TOKEN }}"
+        prerelease: false
+        files: |
+          LICENSE
+          target/*.jar
diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
new file mode 100644
index 0000000..a9d525b
--- /dev/null
+++ b/.github/workflows/maven.yml
@@ -0,0 +1,26 @@
+# This workflow will build a Java project with Maven, and cache/restore any dependencies to improve the workflow execution time
+# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-maven
+
+name: Java CI with Maven
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up JDK 11
+      uses: actions/setup-java@v3
+      with:
+        java-version: '11'
+        distribution: 'temurin'
+        cache: maven
+    - name: Build with Maven
+      run: mvn -B package --file pom.xml -Dmaven.test.failure.ignore=true
diff --git a/pom.xml b/pom.xml
index 409c72c..6a07310 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,12 +6,20 @@
 
     <groupId>com.elias</groupId>
     <artifactId>CertificateDownloader</artifactId>
-    <version>1.1-SNAPSHOT</version>
+    <version>1.2.0</version>
+
+    <properties>
+        <project.java.version>1.8</project.java.version>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+    </properties>
+
     <build>
         <plugins>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.3</version>
                 <configuration>
                     <source>8</source>
                     <target>8</target>
@@ -44,44 +52,38 @@
         </plugins>
     </build>
 
-    <repositories>
-        <repository>
-            <id>jitpack.io</id>
-            <url>https://jitpack.io</url>
-        </repository>
-    </repositories>
     <dependencies>
         <dependency>
             <groupId>com.github.wechatpay-apiv3</groupId>
             <artifactId>wechatpay-apache-httpclient</artifactId>
-            <version>0.1.4-SNAPSHOT</version>
+            <version>0.4.7</version>
         </dependency>
 
         <dependency>
             <groupId>info.picocli</groupId>
             <artifactId>picocli</artifactId>
-            <version>4.0.1</version>
+            <version>4.6.3</version>
         </dependency>
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.8.9</version>
+            <version>2.9.0</version>
         </dependency>
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.13.1</version>
+            <version>4.13.2</version>
         </dependency>
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
-            <version>1.18.8</version>
+            <version>1.18.24</version>
         </dependency>
 
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-simple</artifactId>
-            <version>1.7.26</version>
+            <version>1.7.36</version>
         </dependency>
     </dependencies>
-</project>
\ No newline at end of file
+</project>
diff --git a/src/main/java/com/elias/CertificateDownloader.java b/src/main/java/com/elias/CertificateDownloader.java
index 519407a..657fea6 100644
--- a/src/main/java/com/elias/CertificateDownloader.java
+++ b/src/main/java/com/elias/CertificateDownloader.java
@@ -12,7 +12,6 @@
 import com.wechat.pay.contrib.apache.httpclient.auth.WechatPay2Validator;
 import com.wechat.pay.contrib.apache.httpclient.util.AesUtil;
 import com.wechat.pay.contrib.apache.httpclient.util.PemUtil;
-import org.apache.http.HttpResponse;
 import org.apache.http.client.methods.CloseableHttpResponse;
 import org.apache.http.client.methods.HttpGet;
 import org.apache.http.impl.client.CloseableHttpClient;
@@ -20,7 +19,6 @@
 import picocli.CommandLine;
 import picocli.CommandLine.Command;
 import picocli.CommandLine.Option;
-import sun.security.x509.X509CertImpl;
 
 import java.io.*;
 import java.nio.charset.StandardCharsets;